/**
 * Copyright (c) 2009-2011, chunquedong(YangJiandong)
 * 
 * This file is part of ChunMap project
 * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE(Version >=3)
 * 
 * History:
 *     2010-05-05  Jed Young  Creation
 */
package chunmap.model.relate.relateop;

import chunmap.model.geom.GeoPoint;
import chunmap.model.geom.Geometry;
import chunmap.model.geom.LineString;
import chunmap.model.relate.ComputeIm;
import static chunmap.model.relate.IntersectionMatrix.*;

/**
 * 
 * @author chunquedong
 * 
 */
public class Point_LineString extends ComputeIm {

	public Point_LineString(GeoPoint p1, LineString l2) {
		g1 = p1;
		g2 = l2;
	}

	@Override
	protected int inner2innerDim(Geometry g1, Geometry g2) {
		GeoPoint p1 = (GeoPoint) g1;
		LineString l2 = (LineString) g2;

		// 在边界上
		if (im.get(Inner, Border) != EmptyDim)
			return EmptyDim;

		// 在内部
		if (l2.onLineString(p1.getCoordinate()))
			return PointDim;

		return EmptyDim;
	}

	@Override
	protected boolean within(Geometry g1, Geometry g2) {
		if (im.get(Inner, Border) != EmptyDim)
			return true;
		if (im.get(Inner, Inner) != EmptyDim)
			return true;
		else
			return false;
	}
}